i created the file treasury.yml by using the following.

#file name yaml.pl
use YAML qw(Dump Bless);
$hash = {isbn => '0-7852-1155-1', title => 'The New Strong Exhaustive 
+Concordance of the Bible', author => 'James Strong, LL.D., S.T.D.', p
+ublisher => 'Thomas Nelson Publishers', city => 'Nashville, Tennessee
+', year => '1995'};
    print Dump $hash;
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perl yaml.pl > treasury.yml

then i used ./book list.. not working

then i used ./book list.. not working

What is the first few bytes of treasury.yml?

$ head -c10 treasury.yml | od -tacx1
0000000   -   -   -  cr  nl   a   u   t   h   o
          -   -   -  \r  \n   a   u   t   h   o
        2d 2d 2d 0d 0a 61 75 74 68 6f
0000012
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Add something like this to library.cgi to see what it receives

use Data::Dumper; warn Dumper($data),' ';
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